* {
    padding: 0;
    margin: 0;
}

.layui-btn {
    background-color: #2F4056;
}

body {
    margin: 0px;
    width: 100%;
    min-width: 1024px;
    max-width: 100%;
    height: 100%;
    background-color: #F0F0F0;
}

#box {
    padding: 10px;

}

.layui-left {
    float: left;
}

.layui-right {
    float: right;
}

#form {
    height: 100%;
    padding-left: 30%;
    padding-top: 10px;
    margin-top: 0px;
    background-color: #FFFFFF;
}

.layui-form-label {
    width: 85px;
}

.layui-input-block {
    padding-top: 5px;
}

.layui-input, .layui-textarea {
    width: 30%;
}

#popup {
    position: relative;
    left: 32%;
    top: -29px;
}

#courseType {
    color: #CDCDCF;
}

#type {
    color: #DA359B;
}

.layui-none {
    display: none;
}


.layui-upload-img {
    width: 100px;
    height: 100px;
}

#imgs {
    width: 312px;
    margin-left: 5px;
}

.layui-li {
    width: 100px;
    height: 100px;
    line-height: 100px;
    text-align: center;
    border: 1px dashed #e5e5e5;
}

ul li {
    position: relative;
    cursor: pointer;
}

.del {
    position: absolute;
    width: 1em;
    height: 1em;
    line-height: 1em;
    text-align: center;
    font-size: 1.5em;
    background: rgba(0, 0, 0, .5);
    color: #FFFFFF;
    right: 0;
    top: 0;
    font-style: inherit;
    cursor: pointer;
}

#courseUrl {
    width: 300px;
    height: 200px;
}

.layui-progress {
    width: 30%;
    margin-left: 6px;
}

#reset {
    margin-left: 14%;
    margin-bottom: 20px;
}

#submit {
    margin-bottom: 20px;
}